Question

Serena bought ten books, each costing 100 dollars. Express the total price of the books in repeated multiplication form.

• A. 10 $\times$ 10 $\times$ 10 $\times$ 10
• B. 10 $\times$ 10 $\times$ 10
• C. 10 $\times$ 10 $\times$ 10 $\times$ 10 $\times$ 10 $\times$ 10
• D. 10 $\times$ 10 $\times$ 10 $\times$ 10 $\times$ 10

Answer 1

The correct option is B 10 $\times$ 10 $\times$ 10

Serena bought 10 books.

Price of one book = 100 dollars

Total price of 10 such books = 10 $\times$ 100

= 10 $\times$ 10 $\times$ 10

Hence, price of 100 books in repeated multiplication form is " 10 $\times$ 10 $\times$ 10" dollars.